MESON Chess Problem Database

Problem Display
PID: 144378 (5Q1n/N4bK1/P1RP4/6P1/kP6/1r6/1P1B1r2/3B4 w - - 0 1)

O'Keefe, John James

British Chess Magazine, 1930

5Q1n/N4bK1/P1RP4/6P1/kP6/1r6/1P1B1r2/3B4

#3

11 + 5

38 Magyar Sakkvilag 1931

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Rc1
        • threat
          • 3.Ra1#
  • Tries
    • 1.Rc5?
      • threat
        • 2.Ra5#
      • 1...Rxd2
        • 2.Qb8
          • threat
            • 3.Ra5#
            • 3.Qb5#
        • 2.Qd8
          • threat
            • 3.Qa5#
          • 2...Kxb4
            • 3.Qa5#
      • 1...Rf5!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qe8+
          • 2...Bxe8
            • 3.b5#
      • 1...Rxd2
        • 2.Qd8
          • threat
            • 3.Qa5#
            • 3.Qd7#
          • 2...Rd5
            • 3.b5#
      • 1...Bxc4
        • 2.Qe8+
          • 2...Bb5
            • 3.Qxb5#
      • 1...Re2
        • 2.Qxf7
          • threat
            • 3.Qd7#
            • 3.b5#
      • 1...Rf4
        • 2.Rc1
          • threat
            • 3.Ra1#
      • 1...Rf5
        • 2.Qe8+
          • 2...Rb5
            • 3.Qxb5#
          • 2...Bxe8
            • 3.b5#
      • 1...Bd5
        • 2.Qe8+
          • 2...Bc6
            • 3.Qxc6#
            • 3.b5#
      • 1...Be6
        • 2.Qe8+
          • 2...Bd7
            • 3.Qxd7#
            • 3.b5#

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